The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Question

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

A. 1.086:1

B. 1:1.086

C. 2 :1.086

D. 1.086 : 2

Share this question with your friends

Show all State of Matter MCQ

Comment

How many moles of water are present in 180 gm. of water ?

A. 11

B. 5

C. 90

D. 21

Discuss this answer

A vessel containing 10 litre of air at atmospheric pressure is connected to an evacuated 9 litre vessel The resulting pressure will be

A. 2 atm

B. 31 atm

C. 0.526 atm

D. 52.6 atm

Discuss this answer

One mole of gas is defined as

A. The number of molecules in 22.4 litres of gas at S.T.P

B. The number of molecules contained | in 6 grams of 12 C isotope

C. The number of molecules in one formula weight of gas

D. The number of molecules in litre of gas

Discuss this answer

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

A. N

B. 2N

C. N/2

D. $N_{2}$

Discuss this answer

The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

A. $\frac{E \times 64}{44}$

B. $\frac{E \times 44}{64}$

C. E

D. 22E

Discuss this answer

The space occupied by spheres in ccp arrangement is

A. 74.06%

B. 68.05%

C. 60.4%

D. 52.4%

Discuss this answer

Which of the following is an amorphous solid?

A. NaCl

B. $C a F_{2}$

C. Diamond

D. Glass

Discuss this answer

When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRT

A. at high temperature and low pressure

B. at low temperature and high pressure

C. at high temperature and high pressure

D. at low temperature and low pressure

Discuss this answer

The electrical conductivity of metals is of the order of

A. $10^{12} o h m^{- 1} c m^{- 1}$

B. $10^{8} o h m^{- 1} c m^{- 1}$

C. $10^{2} o h m^{- 1} c m^{- 1}$

D. $10^{- 6} o h m^{- 1} c m^{- 1}$

Discuss this answer

1.The correct relationship representing the volume occupied by 44 gm of $C O_{2}$ and 64 gm of $S O_{2}$ at constant temperahire and pressure:

A. V( $C O_{2}$ ) > V( $S O_{2}$ )

B. V( $C O_{2}$ ) = V( $S O_{2}$ )

C. V( $S O_{2}$ ) > V( $C O_{2}$ )

D. cannot be predicted

Discuss this answer

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

A. 1.086:1

B. 1:1.086

C. 2 :1.086

D. 1.086 : 2

Discuss this answer

Absolute zero is the temperature at which

A. water freezes

B. all gases become liquid

C. all substances are solid

D. molecular motion ceases

Discuss this answer

20 litres of hydrogen gas weighs about

A. 1.8 g

B. 3.6 g

C. 224 g

D. 12.2 g

Discuss this answer

Which compound possesses greatest lattice energy?

A. LiF

B. NaF

C. KF

D. CsF

Discuss this answer

Three dimensional array of points in space is called

A. unit cell

B. crystal lattice

C. micro-crystal

D. None of these

Discuss this answer

A chalk box exhibits

A. cubic geometry

B. monoclinic geometry

C. orthorhombic geometry

D. tetragonal

Discuss this answer

The wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is

A. 20

B. 28

C. 32

D. 14

Discuss this answer

The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

A. 224 litres

B. 2.24 litres

C. 11.12 litres

D. 1.12 litres

Discuss this answer

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

A. 150°C

B. 150°K

C. 27°C

D. None of these

Discuss this answer

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

A. Benjamin hypothesis

B. Avogadro's hypothesis

C. Dalton's theory

D. Law of atomic volume

Discuss this answer

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

A. become half of 740 mm

B. remain unchanged

C. become 1/9 of 740 mm

D. become double of 740 mm

Discuss this answer

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

A. 22 gms

B. 66 gms

C. 11 gms

D. 16 gms

Discuss this answer

The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

A. 8,14,9

B. 1,2,4

C. 1,4,2

D. 8,4, 2

Discuss this answer

In anti-fluorite structure the negative ions

A. occupy tetrahedral voids

B. occupy octahedral voids

C. are arranged in ccp

D. are arranged in hcp

Discuss this answer

The molecular weight of a volatile liquid can be determined by

A. Dumas' method

B. Victor Meyer's method

C. Cryoscopic method

D. Osmotic pressure

Discuss this answer

In fluorite structure coordination number of calcium ions is

A. 4

B. 6

C. 8

D. 3

Discuss this answer

If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be

A. $A B_{2}$

B. $A_{2} B$

C. AB

D. None of these

Discuss this answer

In the process of sublimation, the substance transforms directly

A. from the solid state to the liquid state

B. from the liquid state to gaseous state

C. from the solid state to gaseous state

D. from the liquid state to solid state

Discuss this answer

An open vessel at 37°C is heated until 3/5 of the air in it has been expelled. Assuming that the volume of the vessel remains constant the temperature to which the vessel is heated is

A. 502°C

B. 502 K

C. 243.67°C

D. 925C

Discuss this answer

What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?

A. 760 torr

B. 380 torr

C. 197 torr

D. None of these

Discuss this answer

Accepted Answer

A. 1.086:1

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Correct Answer :

Show all State of Matter MCQ

Related Questions

How many moles of water are present in 180 gm. of water ?

A vessel containing 10 litre of air at atmospheric pressure is connected to an evacuated 9 litre vessel The resulting pressure will be

One mole of gas is defined as

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

The space occupied by spheres in ccp arrangement is

Which of the following is an amorphous solid?

When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRT

The electrical conductivity of metals is of the order of

1.The correct relationship representing the volume occupied by 44 gm of $C O_{2}$ and 64 gm of $S O_{2}$ at constant temperahire and pressure:

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Absolute zero is the temperature at which

20 litres of hydrogen gas weighs about

Which compound possesses greatest lattice energy?

Three dimensional array of points in space is called

A chalk box exhibits

The wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is

The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

In anti-fluorite structure the negative ions

The molecular weight of a volatile liquid can be determined by

In fluorite structure coordination number of calcium ions is

If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be

In the process of sublimation, the substance transforms directly

An open vessel at 37°C is heated until 3/5 of the air in it has been expelled. Assuming that the volume of the vessel remains constant the temperature to which the vessel is heated is

What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?

Also checkout

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Correct Answer :

Show all State of Matter MCQ

Related Questions

How many moles of water are present in 180 gm. of water ?

A vessel containing 10 litre of air at atmospheric pressure is connected to an evacuated 9 litre vessel The resulting pressure will be

One mole of gas is defined as

In a dose packed arrangement of N spheres, the number of tetrahedral holes are

The average kinetic energy of the molecule of SO2 (moL wt. = 64) at 27°C is E. Then the average kinetic energy of CO2 at 27°C is

The space occupied by spheres in ccp arrangement is

Which of the following is an amorphous solid?

When there is more deviation in the behaviour of a gas from ideal gas equation PV = nRT

The electrical conductivity of metals is of the order of

1.The correct relationship representing the volume occupied by 44 gm of CO2 and 64 gm of SO2 at constant temperahire and pressure:

The ratio of RMS velocity to average velocity of a gas molecule at a particular temperature is

Absolute zero is the temperature at which

20 litres of hydrogen gas weighs about

Which compound possesses greatest lattice energy?

Three dimensional array of points in space is called

A chalk box exhibits

The wt. of 2.8 litres of a gas at N.T.P. is 3.50 gms. Its V.D. is

The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is

At what temperature, the root mean square velocity of oxygen molecules is equal to that of SO2 at 27°C?

One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from

A closed vessel contains equal number of molecules of a total pressure at 740 mm. If oxygen is removed from the system the pressure will

The weight of 11.2 litres of CO2 at S.T.P. would be

The number of atoms per unit cell in simple cubic, face centred cubic and body centred cubic arrangement are, respectively

In anti-fluorite structure the negative ions

The molecular weight of a volatile liquid can be determined by

In fluorite structure coordination number of calcium ions is

If all the octahedral sites in a cubic close packed arrangement (B-) are completelyfilled with A+ cations, the empirical formula of the compound could then be

In the process of sublimation, the substance transforms directly

An open vessel at 37°C is heated until 3/5 of the air in it has been expelled. Assuming that the volume of the vessel remains constant the temperature to which the vessel is heated is

What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?

Also checkout

The average kinetic energy of the molecule of $S O_{2}$ (moL wt. = 64) at 27°C is E. Then the average kinetic energy of $C O_{2}$ at 27°C is

1.The correct relationship representing the volume occupied by 44 gm of $C O_{2}$ and 64 gm of $S O_{2}$ at constant temperahire and pressure:

At what temperature, the root mean square velocity of oxygen molecules is equal to that of $S O_{2}$ at 27°C?

The weight of 11.2 litres of $C O_{2}$ at S.T.P. would be

If all the octahedral sites in a cubic close packed arrangement ( $B^{-}$ ) are completelyfilled with $A^{+}$ cations, the empirical formula of the compound could then be